sonic709 sonic709

27-01-2017
Chemistry

contestada

When the atoms: Sr, Rb, Mg, and Na are arranged in order of increasing size, what is the correct order?
A. Mg<Na<Sr<Rb
B. Sr<Mg<Na<Rb

Respuesta :

JoshEast JoshEast

27-01-2017

The answer would be A

Sodium is smaller than magnesium
These two are smaller than Strontium
Strontium is smaller than Rubidium

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